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Comprehensive Income
9 Months Ended
Sep. 30, 2011
Equity [Abstract] 
Comprehensive Income
Comprehensive Income
Comprehensive income represents net income plus the results of certain equity changes. The components of comprehensive income, net of tax, are as follows:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2011
 
2010
 
2011
 
2010
Net income
$
2,855,726

 
$
307,418

 
$
7,966,968

 
$
611,779

Change in post retirement benefits due to curtailment and plan amendment, net of tax of $3,173,035
—

 
5,369,964

 
—

 
5,667,964

Change in post retirement benefits, net of tax benefit of $20,665 and $61,964 for the three and nine months ended September 30, 2011 and tax benefit of $14,940 and tax expense of $4,666 for the three and nine months ended September 30, 2010, respectively
(48,597
)
 
(29,725
)
 
(145,787
)
 
8,334

Change in interest rate swaps, net of tax of $7,000 and $21,108 for the three and nine months ended September 30, 2011 and tax of $8,828 and $18,424 for the three and nine months ended September 30, 2010, respectively
13,588

 
17,137

 
40,975

 
56,830

Comprehensive income
$
2,820,717

 
$
5,664,794

 
$
7,862,156

 
$
6,344,907